<?php
/**
 * Filename: Espresso.php
 * 浓缩咖啡，继承于饮料类 Beverage
 */
include_once 'Condiment.php';

/**
 * 浓缩咖啡
 */
class Espresso extends Beverage {
	/**
	 * 构造函数，说明饮料的名字
	 */
	public function __construct() {
		$this->description = "Espresso";
	} //END func __construct
	
	/**
	 * @see Beverage::cost()
	 *
	 */
	public function cost() {
		return 1.99;
	} //END func cost
	
} //END class Espresso
?>